CN105676210A - Pressure sensor equipped inverted echo sounder - Google Patents
Pressure sensor equipped inverted echo sounder Download PDFInfo
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- CN105676210A CN105676210A CN201610112573.2A CN201610112573A CN105676210A CN 105676210 A CN105676210 A CN 105676210A CN 201610112573 A CN201610112573 A CN 201610112573A CN 105676210 A CN105676210 A CN 105676210A
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- floating ball
- glass floating
- echometer
- pressure sensing
- guard shield
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The embodiment of the invention discloses a pressure sensor equipped inverted echo sounder comprising a hollow glass floating ball and a protection shell arranged outside the glass floating ball. The glass floating ball has two hemispherical balls; a support plate is installed in the glass floating ball; and a circuit board and batteries of a pressure sensor equipped inverted echo sounder are fixed by the support plate. A pressure sensor hole is formed in a lower hemispherical ball case of the glass floating ball and thus an external connector of the pressure sensor is arranged by a watertight port; and a pressure sensor is arranged in the glass floating ball. Besides, a vacuumizing hole is formed in a case of the glass floating ball and is used for realizing vacuumizing processing inside the glass floating ball. The material employed by the glass floating ball has the higher corrosion-resistant property than that of the metal material and the high-strength protection shell is also used for protection, so that usage security of the pressure sensor equipped inverted echo sounder for long time can be improved. Moreover, the glass floating ball is processed by vacuumizing and thus the great floating force can be provided, so that great convenience can be provided for underwater work.
Description
Technical field
The present invention relates to undersea detection field, particularly relate to a kind of pressure sensing against formula echometer.
Background technology
Pressure sensing is a kind of data acquisition unit for surveying and drawing under water against formula echometer (PressuresensorequippedInvertedEchoSounders, PIES). It is placed in undersurface PIES and regularly can launch acoustical signal towards the water surface, receive water-reflected echo and detect and store echo time of advent. Observation data can be passed through to communicate between PIES with tele-control system to be uploaded to surface mother ship, can also by reading storage device acquisition after PIES reclaims, in order to monitor the fluctuating of permanent thermocline, and empirical equation is utilized indirectly to extrapolate the change of the water body parameters such as the temperature on different depth, salinity and density in conjunction with pressure data and history hydrographic data.
PIES traditional at present is made primarily of metal, and corrosion resistance is limited. The time length placed in water, the shell of PIES is easily corroded damage, is unsuitable for long underwater operation.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of pressure sensing against formula echometer, improve the safety that described pressure sensing uses under water for a long time against formula echometer.
The embodiment of the invention discloses following technical scheme:
A kind of pressure sensing is against formula echometer, and described pressure sensing includes the glass floating ball of hollow against formula echometer and is arranged on the guard shield outside described glass floating ball, and described guard shield has corrosion resistance;
Described glass floating ball includes two hemispherical portion, is wherein combined by enclosed material between episphere housing and lower semisphere housing, is provided with gripper shoe in described glass floating ball, fixes described pressure sensing against the circuit board of formula echometer and battery by described gripper shoe;
Being provided with pressure transducer hole on the lower semisphere housing of described glass floating ball, for being arranged the coupling of pressure transducer by watertight interface, described pressure transducer is arranged in described glass floating ball; Being additionally provided with evacuation hole on the spherical shell of described glass floating ball, described evacuation hole is for by internal for described glass floating ball vacuum pumping state;
Described guard shield includes two housing parts, is combined by securing member, and described glass floating ball is set in the inside of described guard shield by described guard shield.
Optionally, described pressure sensing also includes acoustic releaser against formula echometer, one end of described acoustic releaser is connected with the bottom of described guard shield by soft connection chain, the other end of described acoustic releaser is connected with balancing weight by soft connection chain, making under water in work process, described acoustic releaser is between pressure shell and balancing weight.
Optionally, described pressure sensing also includes transducer against formula echometer, and described transducer is arranged on the top of described guard shield;
Being provided with transducer hole on the episphere housing of described glass floating ball, described transducer is connected with the circuit board being within glass floating ball by the watertight interface of described transducer hole.
Optionally, the lower semisphere housing of described glass floating ball is additionally provided with debugging hole, being provided with the debugging interface of watertight on described debugging hole, one end of described debugging interface is connected with described circuit board, and described debugging interface provides for described pressure sensing is debugged against formula echometer.
Optionally, described battery is fixed on described gripper shoe on the battery mounting of the episphere housing side of described glass floating ball, the side of described battery described battery mounting dorsad is provided with battery mounting plate so that be pressed abd fixed in described glass floating ball by described battery by described battery mounting and battery mounting plate.
Optionally, the arranged outside at described guard shield has buoyant material, is used for increasing described glass floating ball and the underwater buoyancy of described guard shield.
Optionally, the arranged outside at described acoustic releaser has buoyant material, is used for increasing the underwater buoyancy of described acoustic releaser.
Be can be seen that by technique scheme, described pressure sensing includes the glass floating ball of hollow against formula echometer and is arranged on the guard shield outside described glass floating ball, described guard shield has corrosion resistance, described glass floating ball includes two hemispherical portion, wherein combined by enclosed material between episphere housing and lower semisphere housing, described glass floating ball is provided with gripper shoe, described pressure sensing is fixed against the circuit board of formula echometer and battery by described gripper shoe, the lower semisphere housing of described glass floating ball is provided with pressure transducer hole, for being arranged the coupling of pressure transducer by watertight interface, described pressure transducer is arranged in described glass floating ball, being additionally provided with evacuation hole on the spherical shell of described glass floating ball, described evacuation hole is for by internal for described glass floating ball vacuum pumping state. the corrosion resistance of glass floating ball material is far above the corrosion resistance of metal material, protection again through the guard shield of high intensity, further increase the safety that described pressure sensing uses under water for a long time against formula echometer, and, by glass floating ball is carried out evacuation, bigger buoyancy can be provided, provide convenience for working under water.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
A kind of pressure sensing that Fig. 1 provides for the embodiment of the present invention is against the structural representation of the glass floating ball of formula echometer;
The position of opening schematic diagram of a kind of glass floating ball that Fig. 2 provides for the embodiment of the present invention;
The structural representation of a kind of debugging interface that Fig. 3 provides for the embodiment of the present invention;
The schematic diagram of a kind of guard shield that Fig. 4 provides for the embodiment of the present invention;
The connection diagram of a kind of transducer that Fig. 5 provides for the embodiment of the present invention and guard shield;
The connection diagram of a kind of acoustic releaser that Fig. 6 provides for the embodiment of the present invention and guard shield;
A kind of pressure sensing that Fig. 7 provides for the embodiment of the present invention is against the composition schematic diagram of formula echometer.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is explicitly described, it is clear that, described embodiment is a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Observation data can be passed through to communicate between PIES with tele-control system to be uploaded to surface mother ship, can also by reading storage device acquisition after PIES reclaims, in order to monitor the fluctuating of permanent thermocline, and empirical equation is utilized indirectly to extrapolate the change of the water body parameters such as the temperature on different depth, salinity and density in conjunction with pressure data and history hydrographic data. Observed by the one-tenth battle array of multiple spot PIES system and can realize the three-dimensional long term monitoring to a certain marine site and inverting, research to the such as ocean circulation, mesoscale eddies, interior ripple etc. of some important physical phenomena in Yu Haiyang, and the research of ocean acoustic field structure is significant.
It can be seen that PIES needs to be operated under water for a long time, but, PIES traditional at present is made primarily of metal, and corrosion resistance is limited. The time length placed in water, the shell of PIES is easily corroded damage, causes mechanical breakdown, even loss of data, so traditional PIES is unsuitable for long underwater operation, it is necessary to often change, thus substantially increasing measurement cost.
For this, the invention provides a kind of pressure sensing against formula echometer, described pressure sensing includes the glass floating ball of hollow against formula echometer and is arranged on the guard shield outside described glass floating ball, described guard shield has corrosion resistance, described glass floating ball includes two hemispherical portion, wherein combined by enclosed material between episphere housing and lower semisphere housing, described glass floating ball is provided with gripper shoe, described pressure sensing is fixed against the circuit board of formula echometer and battery by described gripper shoe, the lower semisphere housing of described glass floating ball is provided with pressure transducer hole, for being arranged the coupling of pressure transducer by watertight interface, described pressure transducer is arranged in described glass floating ball, being additionally provided with evacuation hole on the spherical shell of described glass floating ball, described evacuation hole is for by internal for described glass floating ball vacuum pumping state. the corrosion resistance of glass floating ball material is far above the corrosion resistance of metal material, protection again through the guard shield of high intensity, further increase the safety that described pressure sensing uses under water for a long time against formula echometer, and, by glass floating ball is carried out evacuation, bigger buoyancy can be provided, provide convenience for working under water.
In the present invention, described pressure sensing includes the glass floating ball of hollow against formula echometer and is arranged on the guard shield outside described glass floating ball, and described guard shield has corrosion resistance.
Inventor have found that, compared with conventional metals shell, glass floating ball, it can be avoided that seawater corrosion problem, can provide bigger buoyancy simultaneously under identical casings weight. The sealing of glass floating ball needs to utilize aspirating hole to make in ball close to vacuum. Additionally, glass floating ball also needs to the perforate such as transducer interface hole, debugging interface hole and the pressure transducer probe mounting holes etc. that possess necessity. The underwater electrical connector meeting electric requirement is installed, with debugging interface hole, in transducer interface hole. Protection cabinet is installed outside described glass floating ball, possesses some strength, for installing fixing acoustics transmitting-receiving transducer and acoustic releaser anchor chain. The material of described glass floating ball can be borosilicate, has the optics of excellence, physics and chemical property, it is ensured that ball float is corrosion-resistant pressure and possesses magnetic-lag. In order to there are enough spaces to carry numerous circuit and internal unit, described glass floating ball can select the size of 17 inches. Table 1 is a kind of possible size of described glass floating ball.
| Overall diameter | 432mm/17inch |
| Interior diameter | 404mm |
| Weight | 17.20kg/air |
| Buoyancy | 260N |
| The degree of depth | 6700m |
Table 1
As shown in Figure 1, described glass floating ball 10 includes two hemispherical portion, wherein combined by enclosed material between episphere housing 11 and lower semisphere housing 12, described glass floating ball is provided with gripper shoe 110, fixes described pressure sensing against the circuit board 120 of formula echometer and battery 130 by described gripper shoe 110.
Episphere housing described here can be understood as when described pressure sensing is in against formula echometer and to work in water, and described glass floating ball is close to the housing parts of the water surface. Described lower semisphere housing can be understood as when described pressure sensing is in against formula echometer and to work in water, and described glass floating ball is away from the housing parts of the water surface.
Described glass floating ball 10 internal main to install the circuit board of acoustics electronic section, set of cells, auxiliary recycling module and equipment and underwater electrical connector. Watertight described here is to intercept with encapsulant, does not make the technique that the water outside container enters.
Described glass floating ball 10 inside diameter is 404mm, and gripper shoe 110 is fixed on the lower semisphere housing 12 of glass floating ball, and whole acoustoelectronic part and supplementary module are all directly or indirectly fixed over the carrier plate 110. Gripper shoe 110 bears the weight sum of whole acoustics electronic section and supplementary module, so high-strength material need to be selected, such as (politef, glass-fiber-plate).
Gripper shoe 110 can be rounded, or the face circumferentially shape contacted with described glass floating ball, in order to agrees with the contact surface of described glass floating ball. Gripper shoe 110 can be stuck on glass floating ball by four pieces of rubber strips. This mounting means has only to adopt high viscosity material that rubber strip is bonded at the correct position place of glass floating ball, simple in construction and also weight will not be increased owing to introducing the mounting structure of complexity. During installation, integrated good gripper shoe 110 is put into glass floating ball along the gap of rubber strip, then horizontally rotate 90 degree. Gripper shoe 110 is owing to being subject to the extruding of ball inwall and rubber strip, and stablizes in glass floating ball.
Circuit board 120 is directly installed in gripper shoe by stud, and stud is fixed on gripper shoe by countersunk head screw, to avoid producing contact squeeze with battery 130. Optionally, described battery 120 is fixed on described gripper shoe on the battery mounting of the episphere housing side of described glass floating ball, the side of described battery described battery mounting dorsad is provided with battery mounting plate so that be pressed abd fixed in described glass floating ball by described battery by described battery mounting and battery mounting plate. Described battery one side is compressed by gripper shoe, and another side is then compressed by battery mounting plate, it is to avoid battery is likely to occur teetertottering under the drive of current in the course of the work.
Being provided with pressure transducer hole 121 on the lower semisphere housing 12 of described glass floating ball 10, for being arranged the coupling of pressure transducer 140 by watertight interface, described pressure transducer 140 is arranged in described glass floating ball 10; Being additionally provided with evacuation hole 122 on the spherical shell of described glass floating ball, described evacuation hole 122 is for by internal for described glass floating ball vacuum pumping state.
Because glass floating ball shell and glass floating ball gap are less, only on the latitude at 57 degree of the hemisphere elevation angle, can be only achieved ultimate range 50mm, so position of opening all selects on the latitude of 57 degree of hemisphere latitude, to ensure to reserve maximum distance to installing of underwater electrical connector, facilitate mounting and adjusting. After perforated container, due to the locality characteristic that existence and the stress of various Strength surplus amounts are concentrated, the peak stress near perforate, the integral yield of housing will not be produced, so near institute's perforate except fatigue fracture, not producing general strength failure. And the spacing 107mm between holes center, much larger than the twice of two bore dia sums, so each Kong Jun can be considered single perforate, therefore the effect that prominent adapter symmetry is strengthened directly is played in perforate by the underwater electrical connector adopted. Adopting prominent adapter, the inner extending end of adapter and overhanging end are strengthened simultaneously. This reinforced structure is simple, good airproof performance, and easily checks, and thickeies interface and is in maximum stress district, therefore can effectively reduce the factor of stress concentration. When Fig. 2 is the bottom-up placement of described glass floating ball, the position view of perforate on described glass floating ball. The optional number of degrees at azimuth and the elevation angle are as shown in table 2:
Table 2
Optionally, the lower semisphere housing 12 of described glass floating ball 10 being additionally provided with debugging hole 123, its position can be as shown in Figure 2. Being provided with the debugging interface of watertight on described debugging hole 123, one end of described debugging interface is connected with described circuit board, and described debugging interface provides for described pressure sensing is debugged against formula echometer.
Assembling and the occupation mode of debugging interface can be as shown in Figure 3. Underwater electrical connector female adopts non-L-type standard underwater electrical connector to be arranged on glass spheres, and does watertight process. For ensureing compact installation in space limited between glass floating ball and guard shield, its male adopts nonstandard model L to dock. During water outlet debugging, choosing debugging line A1 and can complete debugging task, debugging configuration is pulled up debugging line, is plugged plug A2 after completing, and namely system starts shooting and enter mode of operation by setup parameter. The long 24cm of cable; both having can ensure that to take in when being not connected to other equipment avoids ocean current that PIES is caused disturbance inside ball float containment vessel; can ensure that again having sufficient length to stretch out ball float containment vessel when connecting other instruments is attached thereto; dismounting ball float containment vessel can be avoided when debugging to be simultaneously directly connected with debugging main frame, improve user's experience.
Described guard shield 20 includes two housing parts, is combined by securing member, and described glass floating ball is set in the inside of described guard shield by described guard shield. Can as shown in Figure 4, shown in Fig. 4 left part is the side view of guard shield, and shown in Fig. 4 right part is the top view of guard shield, and the numeral shown in Fig. 4 is the optional dimensional values of described guard shield.
Optionally, described pressure sensing also includes transducer 30 against formula echometer, and described transducer 30 is arranged on the top of described guard shield 20.
The top of guard shield described here can be understood as described pressure sensing and is in against formula echometer when working in water, and described guard shield is near the part of the water surface. The bottom of described guard shield can be understood as described pressure sensing and is in against formula echometer when working in water, and described guard shield is away from the part of the water surface.
Being provided with transducer hole 111 on the episphere housing 11 of described glass floating ball, described transducer 30 is connected with the circuit board being within glass floating ball by the watertight interface of described transducer hole 111.
It is to say, transducer 30 is connected in the watertight transducer interface 111 on glass bead by watertight interface, access described circuit board 130 again through shielded cable. Transducer 30 is connected on glass bead by underwater electrical connector, cabin lead is connected on main circuit board, because transducer 30 cabling needs through battery section, therefore gripper shoe, system battery fix plate, supplementary module battery retaining boards, are required for reserved corresponding cable tray.
Transducer interface assembling and connected mode are as shown in Figure 5. Underwater electrical connector female adopts L-type standard underwater electrical connector to be arranged on glass spheres, and does watertight process. For ensureing compact installation in space limited between glass floating ball and guard shield, its male adopts standard model to dock. Because guard shield and spheroid gap are less; highest point is 52mm only, adopt this model L-type underwater electrical connector can ensure to install and prominent containment vessel in the confined space, it is to avoid 2 perforates of containment vessel; also non-L-type interface is avoided long, the problem being unfavorable for storage transport. The long 24cm of cable, in glass floating ball and containment vessel gap, coiling links to transducer immediately below ball float, it is ensured that total compact unanimously. In Figure 5,31 be transducer from flanged, 32 is protect-ing frame structure, 33 for self-control transducer containment vessel, 34 for self-control flange face.
Transducer assembling mode is it may be that be provided with self-control containment vessel outside it, transducer is connected with self-control protect-ing frame structure by flange. Transducer containment vessel, protect-ing frame structure, self-control flange face material is politef, and to reduce integrally-built processing and assembly difficulty, this material has the feature of antiacid alkali resistant, anti-various organic solvents, can meet the critical conditions used under water.
Optionally, the arranged outside at described guard shield has buoyant material, is used for increasing described glass floating ball and the underwater buoyancy of described guard shield.
Buoyant material is the important component part of PIES technology, it is ensured that buoyancy that PIES must have and stability, improves the payload of PIES, reduces its overall dimensions. Buoyant material needs long period of soaking in water when actually used, it is desirable to it is water-fast, pressure, corrosion-resistant and shock resistance. When the depth of water reaches 4000 meters, the requirement of strength of material also increases, and density also increases therewith, but reduces buoyancy coefficient. The buoyant material used, it is desirable to water absorption rate is low, inhales the isorrheic time short.
Owing to buoyant mass is fragile material, and at air stressing conditions different from facing two kinds in water, therefore to guarantee its safety, installation can adopt anchor ear and two kinds of versions of bolt (studs) to be used in conjunction with each other. For avoiding PIES to occur in water, the assembling of whole ball float need to meet its center of gravity and be positioned on vertical axis.
Optionally, described pressure sensing also includes acoustic releaser 40 against formula echometer, one end of described acoustic releaser 40 is connected by the bottom of soft connection chain with described guard shield 20, the other end of described acoustic releaser 40 is connected with balancing weight 50 by soft connection chain, making under water in work process, described acoustic releaser 40 is between pressure shell 20 and balancing weight 50.
Illustrating, can being connected by anchor chain between described acoustic releaser 40 and the bottom of described guard shield 20, concrete annexation can as shown in Figure 6, and top anchor chain is by being connected with the pad-eye at release top. It is being pull installation spacer ring on ring flat-plate, it is possible to prevent electrical contact. The on-link mode (OLM) of bottom anchor chain and acoustic releaser is identical with top anchor chain. Bottom anchor chain directly links with balancing weight 50 mechanical hook, adopts cement block balancing weight, total quality about 50KG, it is ensured that have the net weight of 20～30Kg in throwing in sinking watching.
Balancing weight is by anchor chain installation in acoustic releaser one end, and its weight demands meets PIES and possesses suitable sinking/rate of climb with when reclaiming throwing in, when seat bottom it can be avoided that owing to the factor such as current occurs position to move.
These two sections of anchor chains need to reduce length under the convenient premise installing operation as far as possible, it is to avoid bring unnecessary attitude and position skew under water to glass floating ball, and then bring unnecessary observation error.
Optionally, the arranged outside at described acoustic releaser 40 has buoyant material, is used for increasing the underwater buoyancy of described acoustic releaser.
When described pressure sensing against formula echometer in water in running order time, specifically can be as shown in Figure 7. Installing buoyant material outside guard shield 20 additional, acoustic releaser 40 is linked with PIES main body by anchor chain. Bed die formula is sat in employing, and counterweight 50 is linked by anchor chain and acoustic releaser 40.
As can be seen from the above-described embodiment, described pressure sensing includes the glass floating ball of hollow against formula echometer and is arranged on the guard shield outside described glass floating ball, described guard shield has corrosion resistance, described glass floating ball includes two hemispherical portion, wherein combined by enclosed material between episphere housing and lower semisphere housing, described glass floating ball is provided with gripper shoe, described pressure sensing is fixed against the circuit board of formula echometer and battery by described gripper shoe, the lower semisphere housing of described glass floating ball is provided with pressure transducer hole, for being arranged the coupling of pressure transducer by watertight interface, described pressure transducer is arranged in described glass floating ball, being additionally provided with evacuation hole on the spherical shell of described glass floating ball, described evacuation hole is for by internal for described glass floating ball vacuum pumping state. the corrosion resistance of glass floating ball material is far above the corrosion resistance of metal material, protection again through the guard shield of high intensity, further increase the safety that described pressure sensing uses under water for a long time against formula echometer, and, by glass floating ball is carried out evacuation, bigger buoyancy can be provided, provide convenience for working under water.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be completed by the hardware that programmed instruction is relevant, foregoing routine can be stored in a computer read/write memory medium, this program upon execution, performs to include the step of said method embodiment; And aforesaid storage medium can be at least one in following medium: read only memory (English: read-onlymemory, ROM), the various media that can store program code such as RAM, magnetic disc or CD abbreviation:.
It should be noted that each embodiment in this specification all adopts the mode gone forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is the difference with other embodiments. Especially for equipment and system embodiment, owing to it is substantially similar to embodiment of the method, so describing fairly simple, relevant part illustrates referring to the part of embodiment of the method. Equipment described above and system embodiment are merely schematic, the unit wherein illustrated as separating component can be or may not be physically separate, the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE. Some or all of module therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme. Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (7)
1. a pressure sensing is against formula echometer, it is characterised in that described pressure sensing includes the glass floating ball of hollow against formula echometer and is arranged on the guard shield outside described glass floating ball, and described guard shield has corrosion resistance;
Described glass floating ball includes two hemispherical portion, is wherein combined by enclosed material between episphere housing and lower semisphere housing, is provided with gripper shoe in described glass floating ball, fixes described pressure sensing against the circuit board of formula echometer and battery by described gripper shoe;
Being provided with pressure transducer hole on the lower semisphere housing of described glass floating ball, for being arranged the coupling of pressure transducer by watertight interface, described pressure transducer is arranged in described glass floating ball; Being additionally provided with evacuation hole on the spherical shell of described glass floating ball, described evacuation hole is for by internal for described glass floating ball vacuum pumping state;
Described guard shield includes two housing parts, is combined by securing member, and described glass floating ball is set in the inside of described guard shield by described guard shield.
2. pressure sensing according to claim 1 is against formula echometer, it is characterized in that, described pressure sensing also includes acoustic releaser against formula echometer, one end of described acoustic releaser is connected with the bottom of described guard shield by soft connection chain, the other end of described acoustic releaser is connected with balancing weight by soft connection chain, making under water in work process, described acoustic releaser is between pressure shell and balancing weight.
3. pressure sensing according to claim 1 is against formula echometer, it is characterised in that described pressure sensing also includes transducer against formula echometer, and described transducer is arranged on the top of described guard shield;
Being provided with transducer hole on the episphere housing of described glass floating ball, described transducer is connected with the circuit board being within glass floating ball by the watertight interface of described transducer hole.
4. the pressure sensing according to any one of claims 1 to 3 is against formula echometer, it is characterized in that, the lower semisphere housing of described glass floating ball is additionally provided with debugging hole, described debugging hole is provided with the debugging interface of watertight, one end of described debugging interface is connected with described circuit board, and described debugging interface provides for described pressure sensing is debugged against formula echometer.
5. pressure sensing according to claim 1 is against formula echometer, it is characterized in that, described battery is fixed on described gripper shoe on the battery mounting of the episphere housing side of described glass floating ball, the side of described battery described battery mounting dorsad is provided with battery mounting plate so that be pressed abd fixed in described glass floating ball by described battery by described battery mounting and battery mounting plate.
6. pressure sensing according to claim 1 is against formula echometer, it is characterised in that the arranged outside at described guard shield has buoyant material, is used for increasing described glass floating ball and the underwater buoyancy of described guard shield.
7. pressure sensing according to claim 2 is against formula echometer, it is characterised in that the arranged outside at described acoustic releaser has buoyant material, is used for increasing the underwater buoyancy of described acoustic releaser.
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| CN107702698A (en) * | 2017-10-11 | 2018-02-16 | 青岛深海云海洋科技有限公司 | A kind of deep-sea is against formula echo sounding system and measuring method |
| CN108180362A (en) * | 2018-02-24 | 2018-06-19 | 上海彩虹鱼深海装备科技有限公司 | A kind of fixing device for glass floating ball |
| CN108413192A (en) * | 2018-02-24 | 2018-08-17 | 上海彩虹鱼深海装备科技有限公司 | A kind of fixing device for glass floating ball internal unit |
| CN111142113A (en) * | 2020-01-08 | 2020-05-12 | 青岛深海云海洋科技有限公司 | Real-time deep sea inverse echo observation system |
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| CN107702698A (en) * | 2017-10-11 | 2018-02-16 | 青岛深海云海洋科技有限公司 | A kind of deep-sea is against formula echo sounding system and measuring method |
| CN108180362A (en) * | 2018-02-24 | 2018-06-19 | 上海彩虹鱼深海装备科技有限公司 | A kind of fixing device for glass floating ball |
| CN108413192A (en) * | 2018-02-24 | 2018-08-17 | 上海彩虹鱼深海装备科技有限公司 | A kind of fixing device for glass floating ball internal unit |
| CN111142113A (en) * | 2020-01-08 | 2020-05-12 | 青岛深海云海洋科技有限公司 | Real-time deep sea inverse echo observation system |
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